Triple Eccentric Butterfly Valve

Triple Eccentric Butterfly Valve

Introduction The valve body and valve seat of the tri-eccentric hard sealing butterfly valve are combined components. The valve seat sealing surface layer is built up with a weld of corrosion-resistant alloy material. The tri-eccentric design features the centerline of the shaft offsetting the centerline of the sealing surface, with the shaft centerline slightly deviating […]

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Introduction

The valve body and valve seat of the tri-eccentric hard sealing butterfly valve are combined components. The valve seat sealing surface layer is built up with a weld of corrosion-resistant alloy material. The tri-eccentric design features the centerline of the shaft offsetting the centerline of the sealing surface, with the shaft centerline slightly deviating from the centerline of the pipeline. The centerline of the valve body sealing face (oblique circular cone) and the centerline of the pipeline form an angle of β.

The multi-layer sealing ring is made of soft and hard laminated sheet metal, providing the advantages of both metal hard seals and soft seals. It guarantees zero leakage sealing performance in both low and high temperatures.

5 Triple Eccentric Butterfly Valve

Technical Specifications:

Description Specification
Sizes NPS 3 to NPS 80
Pressure Class Class 150 to 600
Casting Materials A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A
Other Materials Alloy 20, Monel, Inconel, Hastelloy
End Connections Wafer, Lugged, RF or BW

Design Standard

Design & manufacture according to API 609

Face-to-face according to ASME B16.10

End Connection according to ASME B16.5 or B16.47 (Wafer, Lugged, Flange), ASME B16.25 (BW)

Test & inspection according to API 598

Also available per NACE MR-0175, NACE MR-0103

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Advantages

The Triple Eccentric Butterfly Valve offers several advantages over other valves, including:

Applications

The Triple Eccentric Butterfly Valve is suitable for a wide range of applications, including:

5 Triple Eccentric Butterfly Valve 1

Benefits

The Triple Eccentric Butterfly Valve offers several benefits, including:

Conclusion

The Triple Eccentric Butterfly Valve is an advanced version of the traditional butterfly valve. Its unique design provides several advantages over other valves, including tight sealing, high-pressure capabilities, low torque, and low maintenance requirements. The valve is suitable for a wide range of applications, including the oil and gas industry, power generation, water treatment, and the chemical industry. Proper installation is crucial to ensure that the valve operates effectively.


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